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    CVE-2021-43815

    Grafana is an open-source platform for monitoring and observability. Grafana prior to versions 8.3.2 and 7.5.12 has a directory traversal for arbitrary .csv files. It only affects instances that have the developer testing tool called TestData DB data source enabled and configured. The vulnerability is limited in scope, and only allows access to files with the extension .csv to authenticated users only. Grafana Cloud instances have not been affected by the vulnerability. Versions 8.3.2 and 7.5.12 contain a patch for this issue. There is a workaround available for users who cannot upgrade. Running a reverse proxy in front of Grafana that normalizes the PATH of the request will mitigate the vulnerability. The proxy will have to also be able to handle url encoded paths.

    Published:Dec 10, 2021
    Last Modified:Nov 21, 2024
    EPS:Dec 10, 2021
    EPSS Score:0.00471
    CVSS Score:4.3

    Affected Products

    Vendor
    Grafana
    Product
    Grafana

    Exploits

    No exploit reference

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    References

    http://www.openwall.com/lists/oss-security/2021/12/10/4
    https://github.com/grafana/grafana/commit/d6ec6f8ad28f0212e584406730f939105ff6c6d3
    https://github.com/grafana/grafana/commit/fd48aee61e4328aae8d5303a9efd045fa0ca308d
    https://github.com/grafana/grafana/releases/tag/v8.3.2
    https://github.com/grafana/grafana/security/advisories/GHSA-7533-c8qv-jm9m
    https://grafana.com/blog/2021/12/10/grafana-8.3.2-and-7.5.12-released-with-moderate-severity-security-fix/
    https://security.netapp.com/advisory/ntap-20220107-0006/
    http://www.openwall.com/lists/oss-security/2021/12/10/4
    https://github.com/grafana/grafana/commit/d6ec6f8ad28f0212e584406730f939105ff6c6d3
    https://github.com/grafana/grafana/commit/fd48aee61e4328aae8d5303a9efd045fa0ca308d
    https://github.com/grafana/grafana/releases/tag/v8.3.2
    https://github.com/grafana/grafana/security/advisories/GHSA-7533-c8qv-jm9m
    https://grafana.com/blog/2021/12/10/grafana-8.3.2-and-7.5.12-released-with-moderate-severity-security-fix/
    https://security.netapp.com/advisory/ntap-20220107-0006/

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High